Air conditioner



1.1 is an upper perspective of an air conditioner, showing our new design;

1.2 is a front elevation view thereof;

1.3 is a rear elevation view thereof;

1.4 is a left side elevation view thereof;

1.5 is a right side elevation view thereof;

1.6 is a top view thereof; and

1.7 is a bottom view thereof.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are included for the purpose of illustrating portions of the air conditioner; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for an air conditioner, as shown and described. 